AOAC-RI ERP Micro June 2016
OMAMAN-29 A/ Collaboartive Study Manuscript OMA ERP June 2016 ERP Use Only
Table 2016.2B : Comparative Results for the Detection of Listeria in 25 g Raw Chicken Breast Fillet Test Portions by the 3M ™ MDA 2 - Listeria Method vs. 1 USDA/FSIS MLG Chapter. 8.09 in a Collaborative Study (Un-inoculated Control) 2
Candidate presumptive (CP)
Candidate confirmed (CC)
Candidate result (C)
Reference method (R)
C vs. R
Matrix/ Inoculation Level
Statistic
Laboratory
POD (CP) 0.00 0.08 0.00 0.00 0.00 0.00 0.08 0.00 0.00 0.00
POD (CC) 0.00 0.08 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.17
POD (C) 0.00 0.08 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
POD (R) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
dLPOD (C,R)
dLPOD (CP,CC)
N
X
N
X
N
X
N
X
1 2 3 4 5 6 7 8 9
12 12 12 12 12 12 12 12 12 12 12 12
0 1 0 0 0 0 1 0 0 0 0 0
12 12 12 12 12 12 12 12 12 12 12 12
0 1 0 0 0 0 0 0 0 2 0 0
12 12 12 12 12 12 12 12 12 12 12 12
0 1 0 0 0 0 0 0 0 0 0 0
12 12 12 12 12 12 12 12 12 12 12 12
0 0 0 0 0 0 0 0 0 0 0 0
0.00 0.08 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 NA
0.00 0.00 0.00 0.00 0.00 0.00 0.08 0.00 0.00 -0.17
Raw Chicken Breast Fillet
10 b 11 a
NA NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
12 13
0.00 0.00
0.00 0.00
0.00 0.00
0.00 0.00
0.00 0.00
Estimate
All
132
2
0.02 0.00 0.06 0.12 0.11 0.16 0.00 0.00 0.05 0.12 0.11 0.14
132
1
0.01 0.00 0.04 0.09 0.08 0.16 0.00 0.00 0.04 0.09 0.08 0.10
132
1
0.01 0.00 0.04 0.09 0.08 0.16 0.00 0.00 0.04 0.09 0.08 0.10
132
0
0.00 0.00 0.03 0.00 0.00 0.16 0.00 0.00 0.16 0.00 0.00 0.23
0.01 -0.02 0.04
0.01 -0.03 0.05
LCL UCL LCL UCL LCL UCL UCL LCL s r c s L d s R e
0.5190 1.0000 a N/A – Laboratory did not participate or submit data for this matrix; b Results were not used in statistical analysis due to deviation from testing protocol. AOAC Research Institute Expert Review Panel Use Only 0.4338 0.4338
f
P T
3 4 5 6
c Repeatability Standard Deviation, d Among-Laboratory Standard Deviation, e Reproducibility Standard Deviation, f P T
Value = Homogeneity test of laboratory PODs
LCL – Lower Confidence Limit; UCL – Upper Confidence Limit
25
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